Do a web search for High CRI.
In ordinary stores, you will probably find LEDs with Ra = 90.
Look for “filament” LEDs. The last two types I have measured
have an Ra of 92.4 (the R9 value is just 67.2, though, but still),
TLCI = 89.8 (not bad!) and CCT=2727K.
Great fun!
They look like this:
